EBBY, C. B. H. (2021). A focus on addition and subtraction: : bringing mathematics education research to the classroom. Routledge.
Čikaški stil citiranja (17. izdanje)EBBY, Caroline B. Hulbert. A Focus on Addition and Subtraction: : Bringing Mathematics Education Research to the Classroom. Routledge, 2021.
MLA način citiranja (9. izdanje)EBBY, Caroline B. Hulbert. A Focus on Addition and Subtraction: : Bringing Mathematics Education Research to the Classroom. Routledge, 2021.
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